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Related Experiment Video

Updated: May 17, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
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Timing in thick silicon detectors - an update.

A Studen1, N Clinthorne, M Mikuž

  • 1Divison of Nuclear Medicine, University of Michigan, Ann Arbor, Michigan, USA ; Jožef Stefan Institute, Ljubljana, Slovenia.

Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
|October 23, 2012
PubMed
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Thick silicon detectors require precise timing resolution for coincidence setups. A new readout strategy using 9 nearest pads significantly improves timing resolution by mitigating inhomogeneous electric fields in these detectors.

Area of Science:

  • Nuclear Instrumentation
  • Particle Detectors
  • Semiconductor Physics

Background:

  • Thick silicon detectors are crucial for coincidence setups, demanding high timing resolution.
  • Over-biasing thick detectors can compromise timing performance.
  • Understanding electric and Ramo fields is key to optimizing detector response.

Purpose of the Study:

  • To investigate the electric and Ramo fields in a 1 mm thick silicon pad detector.
  • To evaluate the timing resolution limitations in thick detectors.
  • To propose and assess an improved readout strategy for enhanced timing accuracy.

Main Methods:

  • Calculated electric and Ramo fields for a 1.4 x 1.4 mm(2) pad detector.
  • Simulated electron tracks and carrier drift using GEANT4.

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Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2
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Last Updated: May 17, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

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Published on: January 19, 2018

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2
11:27

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

Published on: December 8, 2016

  • Processed signals with a virtual preamplifier and CR-RC shaper.
  • Compared simulated trigger delay distributions with experimental measurements.

    • Main Results:

    • GEANT4 simulations and signal processing showed good agreement with experimental data.
    • The study identified inhomogeneous Ramo fields as a factor affecting timing resolution.
    • An alternative readout strategy using 9 nearest pads was proposed and evaluated.

    Conclusions:

    • The proposed 9-pad readout strategy effectively reduces timing resolution degradation caused by inhomogeneous Ramo fields.
    • This method offers a practical solution for improving timing performance in thick silicon detectors for coincidence measurements.
    • Accurate simulations validated the proposed strategy, paving the way for experimental implementation.